13239233280 has 864 divisors, whose sum is σ = 57479700096. Its totient is φ = 2739142656.

The previous prime is 13239233221. The next prime is 13239233291. The reversal of 13239233280 is 8233293231.

13239233280 is a `hidden beast` number, since 1 + 323 + 9 + 2 + 3 + 328 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 76527274 + ... + 76527446.

Almost surely, 2^13239233280 is an apocalyptic number.

13239233280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13239233280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28739850048).

13239233280 is an abundant number, since it is smaller than the sum of its proper divisors (44240466816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13239233280 is a wasteful number, since it uses less digits than its factorization.

13239233280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 13239233280 in words is "thirteen billion, two hundred thirty-nine million, two hundred thirty-three thousand, two hundred eighty".